Chemical Equations Quiz

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What do the coefficients next to the symbols and formulas in a chemical equation represent?

Electron configuration of the element

Absolute values of the stoichiometric numbers (correct)

Atomic mass of the element

Number of atoms in the molecule

In a chemical equation, where are the product entities placed?

On the right-hand side (correct)

On the left-hand side

Below the reactant entities

Above the reactant entities

What are the starting substances in a chemical equation known as?

Enzymes

Reactants (correct)

Inhibitors

Catalysts

Who diagrammed the first chemical equation?

Jean Beguin Signup and view all the answers

What is the purpose of the arrow in a chemical equation?

To show the direction of the reaction Signup and view all the answers

What is the distance between any point of the circle and the centre called?

radius Signup and view all the answers

What is an annulus?

a ring-shaped object, the region bounded by two concentric circles Signup and view all the answers

What is a chord in relation to a circle?

a line segment whose endpoints lie on the circle, thus dividing a circle into two segments Signup and view all the answers

What does specifying two end points of an arc and a centre allow for?

two arcs that together make up a full circle Signup and view all the answers

What has the study of the circle in mathematics helped inspire the development of?

geometry, astronomy and calculus Signup and view all the answers

Chemical Equations Quiz

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Questions and Answers

What do the coefficients next to the symbols and formulas in a chemical equation represent?

In a chemical equation, where are the product entities placed?

What are the starting substances in a chemical equation known as?

Who diagrammed the first chemical equation?

What is the purpose of the arrow in a chemical equation?

What is the distance between any point of the circle and the centre called?

What is an annulus?

What is a chord in relation to a circle?

What does specifying two end points of an arc and a centre allow for?

What has the study of the circle in mathematics helped inspire the development of?

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